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1431505-83-7

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1431505-83-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1431505-83-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,1,5,0 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1431505-83:
(9*1)+(8*4)+(7*3)+(6*1)+(5*5)+(4*0)+(3*5)+(2*8)+(1*3)=127
127 % 10 = 7
So 1431505-83-7 is a valid CAS Registry Number.

1431505-83-7Relevant articles and documents

Enantioselective reduction of 3-aryl-2-oxo-propanoic acids: A comparison of enzymatic and transition-metal-catalyzed methods

Luettenberg, Sebastian,Ta, Tien Dat,Von Der Heyden, Jan,Scherkenbeck, Juergen

supporting information, p. 1824 - 1830 (2013/06/04)

Phenyllactic acids are important constituents of depsipeptides, which are a large class of natural products expressing a wide range of biological activities. Despite there being several methods for the enantioselective synthesis of α-hydroxy acids, almost no studies are available addressing the substrate selectivity of transition-metal and enzyme-catalyzed methods for the preparation of substituted phenyllactic or more general aryllactic acids. We report herein comparative results for Rh-DiPAMP (DiPAMP = 1,2-ethandiylbis[(o- methoxyphenyl)phenylphosphane]) and lactate dehydrogenase catalyzed enantioselective reductions of several 3-aryl-2-oxopropanoic acids. Phenyllactic acids are important constituents of depsipeptides, which are a large class of natural products expressing a wide range of biological activities. A comparative study of transition-metal and lactate dehydrogenase catalyzed enantioselective reductions of several 3-aryl-2-oxopropanoic acids as valuable sources for enantiomerically pure phenyllactic acids is described. Copyright

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